"Rising conflict and death toll between Azerbaijan and Armenia over Nagorno-Karabakh adds to an already most volatile security environment," Foreign Minister of Sweden Carl Bildt posted on Twitter, overnight.

It is noteworthy that there is upsurge in tensions in the Karabakh conflict zone. Azerbaijan has made several sabotage attacks lately. Both the sides suffered casualties. Azerbaijan lost 27 soldiers. There were 6 deaths on the Armenian side. The U.S. Department of State, Russian Foreign Ministry, French Foreign Ministry, OSCE CiO as well as OSCE Minsk Group Co- Chairs, EU and many countries have expressed deep concern over escalating tensions and urged the parties to respect the ceasefire agreement and take steps to defuse tension.